Broadcom Jericho3-AI by Broadcom Inc. - High-radix switch silicon for AI clusters

Broadcom Jericho3-AI switch silicon targets 800G ports and massive AI clusters. This product is driving the price of Broadcom Inc. stock (ISIN US11135F1012).

The Broadcom Jericho3-AI switch ASIC sits deep inside chilled data hall rows, close to where GPU racks hum and blue status LEDs pulse like a heartbeat. Technicians slide bare PCBs into test rigs and watch packet counters race as Jericho3-AI pushes traffic between AI servers.

High-radix switch for AI fabrics

Broadcom Inc. positions Jericho3-AI as a high-radix, AI-optimized switch silicon designed to build massive Ethernet fabrics for training and inference clusters. The chip targets configurations with hundreds to thousands of GPUs connected at 800G per port across large-scale data centers.

In presentations, Broadcom networking head Ram Velaga describes Jericho3-AI as part of a broader strategy to make Ethernet a first-class citizen for AI workloads, not just storage and general cloud traffic. He points to dual-pillar designs using Jericho3-AI and Tomahawk switch families to give hyperscalers flexibility in how they build their fabrics.

Technical focus on scale and congestion

Jericho3-AI’s design centers on supporting very large fabrics with many thousands of endpoints while keeping tail latency for AI traffic in check. The chip is built for high-radix switching, meaning many ports per device, to reduce the number of hops between GPUs and to simplify topology choices for operators.

Broadcom explains in technical material that Jericho3-AI incorporates congestion control mechanisms tuned for AI collective operations, such as all-reduce and broadcast patterns common in training. These mechanisms aim to keep queues balanced and avoid long tail delays, which slow down large-scale jobs even when average latency looks fine.

Ethernet positioning versus proprietary fabrics

Broadcom spends visible effort arguing that Ethernet fabrics powered by Jericho3-AI can match or approach the performance of proprietary high-performance computing interconnects, while preserving ecosystem flexibility. The company highlights standard-based tooling, familiar operations models, and interoperability with a broad range of NICs and accelerators.

At industry conferences, Velaga and other Broadcom engineers talk through benchmark results and topology diagrams that pit Jericho3-AI Ethernet designs against alternatives. They often show leaf-spine layouts with mixed Jericho and Tomahawk switches, underlining Broadcom’s intent to stay present in both traditional data center networking and AI-specialized deployments.

Integration into hyperscale and OEM portfolios

Jericho3-AI does not appear on a retail shelf. Instead, it surfaces inside systems and line cards that hyperscalers and OEMs sell or deploy. Customers integrate the ASIC into fixed-configuration switches or modular chassis, exposing 800G or similar port speeds to connect modern GPU servers.

The typical buyer is a cloud operator, telecom, or large enterprise building AI clusters. These organizations care about metrics like job completion time, fabric utilization, and failure containment as much as raw bandwidth. Jericho3-AI is designed to hit those metrics by combining port density, congestion control, and monitoring features.

Part of Broadcom’s networking revenue stream

For Broadcom, Jericho3-AI slots into its broader switching and routing product stack, which includes Tomahawk for high-performance data center switching and other lines for service provider networks. The AI-focused positioning reflects a wider push by Broadcom leadership to capture growing capital spending on AI infrastructure.

Broadcom Inc. stock trades on Nasdaq in US dollars and the Jericho3-AI line contributes to the networking segment that investors watch for AI-related growth impulses.

Key facts on Broadcom Jericho3-AI

• Product: Broadcom Jericho3-AI switch ASIC
• Manufacturer: Broadcom Inc.
• Category: B2B / Pro line networking silicon
• Market launch: Introduced as part of Broadcom’s Jericho family expansion in the current AI investment cycle
• MSRP / Price: Not publicly disclosed; priced through OEM and hyperscaler contracts, typically in US dollars
• Availability: Available to hyperscalers, OEM switch vendors and large network operators via Broadcom’s networking product channels
• Target group: Cloud providers, telecom operators and enterprises building large AI training or inference clusters
• Highlight / USP: High-radix, AI-tuned Ethernet switch silicon for massive GPU fabrics